Yes, but since some of the threat to bacteria comes in phage form, REs work well for chopping up strange DNA "somehow" (go figure) gets injected into the cytosol. Sure no Igs or anything, but it functions as a rudimentary immune system....sorta....

-Jelanen

'It is futile to pretend to the public that we understand how an amoeba evolved into a man, when we cannot tell our students how a human egg produces a skin cell or a brain cell!'